Municipal departments

 Municipal Corporation's departments

the municipal corporation divides the work in different departments like-

• water department
• garbage collection department
• department to look after roads
• department to look after grounds
• accounts department
• sanitation department
• etc
  

sanitation engineer looks after the cleaning of garbage and sanitation in the city.

Sub-contracting

these days to save money the Commissioner hire private contractors istead of government contractors to collect, process, garbage as it cost less and also labour get paid less. this is called as Sub-contracting